Table 1.
Subject Characteristics
| Characteristics | Control (n = 43) | Preeclampsia (n = 37) | Hypertension (n = 28) | Pa | Pairwise Comparisonsb | |
|---|---|---|---|---|---|---|
| Preeclampsia vs control | Preeclampsia vs hypertension | |||||
| Maternal age, mean years ± SD | 26.4 ± 5.5 | 26.6 ± 5.4 | 27.8 ± 6.1 | 0.650 | ||
| Body mass index, mean ± SD | 34.5 ± 8.9 | 33.7 ± 7.0 | 37.4 ± 9.2 | 0.254 | ||
| Diastolic blood pressure, mean mmHg ± SD | 68.3 ± 9.0 | 86.0 ± 10.4 | 81.5 ± 8.7 | <0.001 | <0.001 | 0.11 |
| Systolic blood pressure, mean mmHg ± SD | 117.7 ± 1.9 | 146.2 ± 15.0 | 134.8 ± 11.4 | <0.001 | <0.001 | <0.001 |
| Gestational age, mean weeks ± SD | 36.8 ± 4.3 | 32.2 ± 3.6 | 36.3 ± 3.1 | <0.001 | <0.001 | <0.001 |
| Race/Ethnicity, n (%) | 0.732 | |||||
| Caucasian | 24 (55.8%) | 18 (48.7%) | 17 (60.7%) | |||
| African-American | 15 (34.9%) | 14 (37.8%) | 10 (35.7%) | |||
| Hispanic | 2 (4.7%) | 3 (8.1%) | 1 (3.6%) | |||
| Asian | 2 (4.7%) | 0 (0%) | 2 (5.4%) | |||
| Nulliparity, n (%) | 27 (62.8%) | 18 (48.7%) | 12 (42.9%) | 0.267 | ||
| Intrauterine growth restriction, n (%) | 6 (14.0%) | 7 (18.9%) | 3 (10.7%) | 0.676 | ||
| Cervical dilation, median cm (range) | 1.0 (0–4.0) | 1.0 (0–5.0) | 0 (0–3.0) | 0.139 | ||
| Pain Score, median (range) | 0 (0–8.0) | 0 (0–6.5) | 0 (0–9.0) | 0.252 | ||
| In active labor, n (%) | 20 (46.5%) | 10 (27.0%) | 9 (32.1%) | 0.173 | ||
| Antihypertensive use, n (%) | 0 (0%) | 27 (73.0%) | 10 (43.5%) | <0.001 | <0.001 | 0.065 |
| Oxytocin administered, n (%) | 19 (44.2%) | 8 (21.6%) | 9 (32.1%) | 0.097 | ||
| Magnesium administered, n (%) | 3 (7.0%) | 32 (86.5%) | 5 (17.9%) | <0.001 | <0.001 | 0.064 |
a
P values from ANOVA or ANOVA on Ranks for continuous measures or chi-square test (calculated from logistic regression output) for categorical measures
b
For Pairwise comparisons, Dunnett’s test was used for continuous measures and logistic regression was used for categorical measures.